stable-baselines3/tests/test_run.py
Antonin RAFFIN 5ff176b2f1
Implement DDPG (#92)
* Add DDPG + TD3 with any number of critics

* Allow any number of critics for SAC

* Update doc

* [ci skip] Update DDPG example

* Remove unused parameter

* Add DDPG to identity test

* Fix computation with n_critics=1,3

* Update doc

* Apply suggestions from code review

Co-authored-by: Adam Gleave <adam@gleave.me>

* Update docstrings for off-policy algos

* Add check for sde

Co-authored-by: Adam Gleave <adam@gleave.me>
2020-07-16 14:14:22 +02:00

60 lines
2.7 KiB
Python

import numpy as np
import pytest
from stable_baselines3 import A2C, PPO, SAC, TD3, DQN, DDPG
from stable_baselines3.common.noise import NormalActionNoise, OrnsteinUhlenbeckActionNoise
normal_action_noise = NormalActionNoise(np.zeros(1), 0.1 * np.ones(1))
@pytest.mark.parametrize('model_class', [TD3, DDPG])
@pytest.mark.parametrize('action_noise', [normal_action_noise, OrnsteinUhlenbeckActionNoise(np.zeros(1), 0.1 * np.ones(1))])
def test_deterministic_pg(model_class, action_noise):
"""
Test for DDPG and variants (TD3).
"""
model = model_class('MlpPolicy', 'Pendulum-v0', policy_kwargs=dict(net_arch=[64, 64]),
learning_starts=100, verbose=1, create_eval_env=True, action_noise=action_noise)
model.learn(total_timesteps=1000, eval_freq=500)
@pytest.mark.parametrize("env_id", ['CartPole-v1', 'Pendulum-v0'])
def test_a2c(env_id):
model = A2C('MlpPolicy', env_id, seed=0, policy_kwargs=dict(net_arch=[16]), verbose=1, create_eval_env=True)
model.learn(total_timesteps=1000, eval_freq=500)
@pytest.mark.parametrize("env_id", ['CartPole-v1', 'Pendulum-v0'])
@pytest.mark.parametrize("clip_range_vf", [None, 0.2, -0.2])
def test_ppo(env_id, clip_range_vf):
if clip_range_vf is not None and clip_range_vf < 0:
# Should throw an error
with pytest.raises(AssertionError):
model = PPO('MlpPolicy', env_id, seed=0, policy_kwargs=dict(net_arch=[16]), verbose=1, create_eval_env=True,
clip_range_vf=clip_range_vf)
else:
model = PPO('MlpPolicy', env_id, seed=0, policy_kwargs=dict(net_arch=[16]), verbose=1, create_eval_env=True,
clip_range_vf=clip_range_vf)
model.learn(total_timesteps=1000, eval_freq=500)
@pytest.mark.parametrize("ent_coef", ['auto', 0.01, 'auto_0.01'])
def test_sac(ent_coef):
model = SAC('MlpPolicy', 'Pendulum-v0', policy_kwargs=dict(net_arch=[64, 64]),
learning_starts=100, verbose=1, create_eval_env=True, ent_coef=ent_coef,
action_noise=NormalActionNoise(np.zeros(1), np.zeros(1)))
model.learn(total_timesteps=1000, eval_freq=500)
@pytest.mark.parametrize("n_critics", [1, 3])
def test_n_critics(n_critics):
# Test SAC with different number of critics, for TD3, n_critics=1 corresponds to DDPG
model = SAC('MlpPolicy', 'Pendulum-v0', policy_kwargs=dict(net_arch=[64, 64], n_critics=n_critics),
learning_starts=100, verbose=1)
model.learn(total_timesteps=1000)
def test_dqn():
model = DQN('MlpPolicy', 'CartPole-v1', policy_kwargs=dict(net_arch=[64, 64]),
learning_starts=500, buffer_size=500, learning_rate=3e-4, verbose=1, create_eval_env=True)
model.learn(total_timesteps=1000, eval_freq=500)